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IC2303
C0DBGYY00202
SOUND15V
SOUND12V
L2308 J0JJC0000011
!
H-BOARD (4/5) TNPA4177AH (PV70F/P) TNPA4177AD (PX70B/E)
SOUND SOS DET
TP2301 R2331 2.2k
Q2301
2SA207700L
MAIN9V
SOUND12V D2302 MA2J11100L *C2311 3 VIN VOUT 1 + C2352 16V 1u C2365 16V 220u R2317 10 1 2 3 OPERATE 4 SOS 5 PWM_SQ_R+ 6 7 PWM_SQ_RR2306 68k OPERATE RESET 10 11 12 C2313 50V 0.1u 13 14 15 16 17 PWM_SQ_L*R2304 0 R2325 10 R2319 10 *C2363 50V 0.1u *C2329 50V 0.1u 18 19 20 21 22 GND AGND VREG M3 M2 OUT_C *R2303 0 M1 GND_C PWM_C GND_D RESET_CD OUT_D PWM_D PVDD_D NC PVDD_D NC NC VDD BST_D GVDD_C GVDD_D *C2327 50V 0.1u 23 R2321 10 24 25 C2323 25V 0.033u 26 27 C2359 50V 0.1u C2309 25V 1u 29 28 30 C2357 50V 0.1u C2307 25V 1u 8 9 SD PVDD_A PWM_A OUT_A RESET_AB GND_A PWM_B GND_B 37 38 NC PVDD_A 40 39 41 C2353 50V 0.1u C2303 25V 1u GVDD_B GVDD_A OTW BST_A NC NC 43 42 44 C2317 25V 0.033u 50V 0.1u
SOUND_SOS
C2301 16V 0.1u
R2330 1k
R2302 2.2k
L2310 J0JJC0000011 C2349 50V 0.1u
AUDIO AMP
+
*C2315 50V 0.1u R2323 10
C2361 25V 470u
R2301 2.2k
D2301 MA2J11100L
L2300 G1C100MA0291 C2333
VSS 2
R2315 3.3 C2337 50V 0.022u C2377 50V 0.022u
C2302 16V 0.1u
R2305 470 D2303 MAZ30560HL
50V 0.1u
D2304 MA2J11100L
C2325 0.47u 50V
C2335 50V 0.1u L2302
C2375 50V 0.022u C2339 50V 0.022u R2308 3.3
C1AB00002730
OC_ACJ
36 OUT_B 35 34 BST_B 33 BST_C 32 31 C2341 50V 0.1u C2331 50V 0.47u 25V 25V C2319 0.033u C2321 0.033u L2304 G1C100MA0291 C2355 50V 0.1u C2305 25V 1u G1C100MA0291
*IC2301
C2389 50V 1000p
*H12 TP2303 TP2305 TP2307 C2387 50V 1000p TP2310 1 2 3 4
TO SPEAKER
R+ RL+ L-
PVDD_B
PVDD_C
R2313 3.3 C2345 50V 0.022u C2379 50V 0.022u C2381 50V 0.022u C2347 50V 0.022u R2311 3.3
C2385 50V 1000p
TP2302 AMUTE
PWM_SQ_L+
C2383 50V 1000p
C2343 50V 0.1u
L2306 G1C100MA0291
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AUDIO_MUTE
AMUTE
MAIN9V
STB+5V
DTV9V
MUTE
OPERATE MUTE R2205 20k
D2034 MA2J11100L
D2033 MA2J11100L
R2156 330
R2194 1k
R2128 47k
R2206 10k
C2119 10V 220u
+
R2127 10k R2119 10k
D2026 MA2J11100L
D2031 MA2J11100L SP_MUTE MUTE
Q2031
2SA207700L MONITOROUT_MUTE MUTE
Q2033
2SA207700L R2129 10k D2028 MA2J11100L R2124 10k *R2123 47k D2029 MA2J11100L R2144 10k
Q2040
2SC584500L R2216 10k D2032 MA2J11100L HDMI_INT2 MUTE
R2122 10k
MUTE SW
R2118 1M
Q2034
2SC584500L
*R2217 47k
STB+5V
Q2039
2SC584500L R2208 10k R2219 47k
Q2035
2SC584500L
R2131 10k
R2220 12k
Q2041
2SC584500L
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TH-37/42PV70F/P, TH-37/42PX70B/E H-Board (4 of 5) Schematic Diagram
TH-37/42PV70F/P, TH-37/42PX70B/E H-Board (4 of 5) Schematic Diagram
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